2 years of monitoring results from passive solar energy storage in test cabins with phase change materials

Cellat, Kemal; Beyhan, Beyza; Konuklu, Yeliz; Dündar, Cengiz; Karahan, Okan; Güngör, Caner; Paksoy, Halime

doi:10.1016/j.solener.2019.01.045

Cited by 44 publications

(22 citation statements)

References 29 publications

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“…Based on different chemical compositions, phase change materials can be classified as organic PCMs, inorganic PCMs, and organic–inorganic mixture PCMs. According to previous studies, organic PCMs possess a number of advantages, such as favourable chemical stability, good thermal stability, low cost, inconspicuous supercooling, and no phase separation [12,13]. However organic PCMs have several deficiencies, such as low thermal conductivity and liquid leakage and erosion during melting, which hinder the application of PCMs in many fields [11,14].…”

Section: Introductionmentioning

confidence: 99%

A Facile and Simple Method for Preparation of Novel High-Efficient Form-Stable Phase Change Materials Using Biomimetic–Synthetic Polydopamine Microspheres as a Matrix for Thermal Energy Storage

et al. 2019

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Polydopamine microspheres (PDAMs), synthesized using a biomimetic method, were used as a matrix for polyethylene glycol (PEG) to develop a novel high-efficient form-stable phase change material (PEG/PDAM) using a simple vacuum impregnation strategy. The PDAMs were first used as a support for the organic phase change materials, and the biomimetic synthesis of the PDAMs had the advantages of easy operation, mild conditions, and environmental friendliness. The characteristics and thermal properties of the PEG/PDAMs were investigated using SEM, FTIR, XRD, TGA, DSC, and XPS, and the results demonstrated that the PEG/PDAMs possessed favourable heat storage capacity, excellent thermal stability, and reliability, and the melting and freezing latent heats of PEG/PDAM-3 reached 133.20 ± 2.50 J/g and 107.55 ± 4.45 J/g, respectively. Therefore, the PEG/PDAMs possess great potential in real-world applications for thermal energy storage. Additionally, the study on the interaction mechanism between the PEG and PDAMs indicated that PEG was immobilized on the surface of PDAMs through hydrogen bonds between the PEG molecules and the PDAMs. Moreover, the PDAMs can also be used as a matrix for other organic materials for the preparation of form-stable phase change materials.

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Section: Introductionmentioning

confidence: 99%

A Facile and Simple Method for Preparation of Novel High-Efficient Form-Stable Phase Change Materials Using Biomimetic–Synthetic Polydopamine Microspheres as a Matrix for Thermal Energy Storage

et al. 2019

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“…Although sensible heat storage is the most common method of thermal energy storage, latent heat storage systems that use Phase Change Materials (PCMs) offer a considerably higher energy density compared to water-based sensible heat storage systems and have the advantage of the isothermal nature of the storage process i.e storing heat compactly in a narrow temperature range [15,17]. The effect of using PCMs in solar thermal storage systems has been investigated extensively both in experimental and numerical studies [18][19][20][21][22][23][24]. Low temperature thermal storage systems (LT-TES) have been sufficiently developed and are currently being used on a commercial level.…”

Section: Introductionmentioning

confidence: 99%

Dynamic modeling and energy analysis of renewable heating and electricity systems at residential buildings using phase change material based heat storage technologies

Violidakis

Ατσόνιος

Iliadis

et al. 2020

Journal of Energy Storage

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Several heat storage systems for domestic application can be used to promote Renewable Energy Sources (RES) penetration by storing excess energy, which would otherwise be rejected during curtailments. The present study investigates two types of PV powered latent heat storage technologies for delivering heat and/or electricity at residential buildings and compares them against a reference case which uses a conventional heat pump as a heating system, also powered by a PV. One technology involves a low temperature PCM thermal energy storage system (LT-TES) heated by either an electric resistance or a heat pump and the other technology involves an ultra-high temperature TES (UHT-TES). It is revealed that any case with heat storage is preferable for better exploiting the produced renewable energy than the conventional one which does not include heat storage. The most favorable from this aspect are the cases which include the UHT-TES, which provide both heat and electricity. Focusing exclusively on heat supply, the most preferable case from a technical performance aspect is the one which includes a heat pump and a LT-TES system, albeit not providing any electricity. On the other hand, the most advantageous only in terms of electricity supply is the case which includes the UHT-TES system.

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“…Building materials have played a vital role in the development of human society 1–4 . However, the production of building materials involves a large amount of energy consumption.…”

Section: Introductionmentioning

confidence: 99%

Fabrication and analysis of palmitic acid–decanoic acid@Ce–Eu/TiO₂ composite as a building material for regulating indoor environment

Zong

Chen

Zhao

et al. 2020

Asia-Pacific J Chem Eng

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Novel palmitic acid–decanoic acid@Ce–Eu/TiO2 (PA–DA@Ce–Eu/TiO2) microspheres with high photocatalysis–thermal–humidity collaborative performance were prepared via a two‐step method. Ce and Eu were used for codoping to modify the TiO2 hollow microspheres to enhance the photocatalytic properties. Furthermore, a eutectic phase change material (PA–DA) was combined with Ce–Eu/TiO2 hollow microspheres to prepare PA–DA@Ce–Eu/TiO2 microspheres. X‐ray diffraction and UV–VIS spectral analyses proved that Ce–Eu codoping enhanced the photocatalytic properties of the PA–DA@Ce–Eu/TiO2 microspheres under solar light; the degradation rate to gaseous formaldehyde at low concentrations reached 54.98% after 5 h. The pore structure, particle size distribution, microstructure, and thermostability of the PA–DA@Ce–Eu/TiO2 microspheres were determined using N2 adsorption isotherms, laser scattering particle size distribution analysis, scanning electron microscopy, and thermogravimetric analysis, respectively. The results showed that the Ce–Eu/TiO2 microspheres had a typical mesoporous structure, concentrated particle size distribution, and rough surface. The porous structure of the PA–DA@Ce–Eu/TiO2 microspheres was conducive to adsorb/desorb moisture, which was recorded to be 0.0575 g/g at 43.16–75.29% relative humidity. The differential scanning calorimeter analysis showed that the phase transition temperature of the PA–DA@Ce–Eu/TiO2 microspheres was 20–22°C and that the PA–DA@Ce–Eu/TiO2 microspheres were stable at 35°C. After 300 thermal cycles, the heat storage capacity of the PA–DA@Ce–Eu/TiO2 microspheres decreased by only 5%. Thus, we concluded that the PA–DA@Ce–Eu/TiO2 microspheres can purify air and control indoor thermal and humidity environments simultaneously and hence can be used as functional building materials to adjust the indoor environment.

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2 years of monitoring results from passive solar energy storage in test cabins with phase change materials

Cited by 44 publications

References 29 publications

A Facile and Simple Method for Preparation of Novel High-Efficient Form-Stable Phase Change Materials Using Biomimetic–Synthetic Polydopamine Microspheres as a Matrix for Thermal Energy Storage

A Facile and Simple Method for Preparation of Novel High-Efficient Form-Stable Phase Change Materials Using Biomimetic–Synthetic Polydopamine Microspheres as a Matrix for Thermal Energy Storage

Dynamic modeling and energy analysis of renewable heating and electricity systems at residential buildings using phase change material based heat storage technologies

Fabrication and analysis of palmitic acid–decanoic acid@Ce–Eu/TiO₂ composite as a building material for regulating indoor environment

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2 years of monitoring results from passive solar energy storage in test cabins with phase change materials

Cited by 44 publications

References 29 publications

A Facile and Simple Method for Preparation of Novel High-Efficient Form-Stable Phase Change Materials Using Biomimetic–Synthetic Polydopamine Microspheres as a Matrix for Thermal Energy Storage

A Facile and Simple Method for Preparation of Novel High-Efficient Form-Stable Phase Change Materials Using Biomimetic–Synthetic Polydopamine Microspheres as a Matrix for Thermal Energy Storage

Dynamic modeling and energy analysis of renewable heating and electricity systems at residential buildings using phase change material based heat storage technologies

Fabrication and analysis of palmitic acid–decanoic acid@Ce–Eu/TiO2 composite as a building material for regulating indoor environment

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Fabrication and analysis of palmitic acid–decanoic acid@Ce–Eu/TiO₂ composite as a building material for regulating indoor environment